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carbon-lang/toolchain/check/testdata/pointer/import.carbon
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Richard Smith cefa0397bb More fixes to package and library fingerprinting. (#7297) 
Fix import logic to make all imported packages be children of the
`NameScopeId::Package` scope. Previously, indirectly-imported packages
would end up as children of their importing package's scope, which
resulted in them not being treated as packages at all, and in particular
not being fingerprinted as packages.

Fixing that caused a failure in the fingerprinting logic as we started
to encounter packages with no correspoding import scopes. Instead of
looking for import scopes, use a simpler mechanism to map packages to
their package names, and clean up.

Unfortunately the latter change churns all the fingerprints again :(
Hopefully this is the last time for a while.
2026-06-04 17:41:46 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/import.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/import.carbon
// --- implicit.carbon
package Implicit;
var a_orig: i32 = 0;
var a_ref: i32* = &a_orig;
// --- implicit.impl.carbon
impl package Implicit;
var a: i32* = a_ref;
// CHECK:STDOUT: --- implicit.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.6b6: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %ImplicitAs.type.0ff: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.0ff = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.914: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.845: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.a23: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.b3c, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.2ba = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.914 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.a23) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.740: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet) [concrete]
// CHECK:STDOUT: %.1c5: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.740, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e39, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.6e0: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.3c0: %i32 = int_value 0 [concrete]
// CHECK:STDOUT: %ptr.d08: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %pattern_type.f00: type = pattern_type %ptr.d08 [concrete]
// CHECK:STDOUT: %addr: %ptr.d08 = addr_of file.%a_orig.var [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.ff5: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.ce9: %ptr.as.Copy.impl.Op.type.ff5 = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.ce1: <witness> = impl_witness imports.%Copy.impl_witness_table.4f1, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.c1c: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.d1c: %ptr.as.Copy.impl.Op.type.c1c = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %ptr.d08, (%Copy.impl_witness.ce1) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.f9d: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.ac9: type = fn_type_with_self_type %Copy.WithSelf.Op.type.f9d, %Copy.facet [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.bound: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.d1c [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.d1c, @ptr.as.Copy.impl.Op(%i32) [concrete]
// CHECK:STDOUT: %bound_method.c35: <bound method> = bound_method %addr, %ptr.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.0ff = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.import_ref.edf: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.e74) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.845)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.b3c = impl_witness_table (%Core.import_ref.edf), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: %Core.import_ref.e5f: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.ff5) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.ce9)]
// CHECK:STDOUT: %Copy.impl_witness_table.4f1 = impl_witness_table (%Core.import_ref.e5f), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .a_orig = %a_orig
// CHECK:STDOUT: .a_ref = %a_ref
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a_orig.patt: %pattern_type.6b6 = ref_binding_pattern a_orig [concrete]
// CHECK:STDOUT: %a_orig.var_patt: %pattern_type.6b6 = var_pattern %a_orig.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_orig.var: ref %i32 = var %a_orig.var_patt [concrete]
// CHECK:STDOUT: %i32.loc4: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %a_orig: ref %i32 = ref_binding a_orig, %a_orig.var [concrete = %a_orig.var]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a_ref.patt: %pattern_type.f00 = ref_binding_pattern a_ref [concrete]
// CHECK:STDOUT: %a_ref.var_patt: %pattern_type.f00 = var_pattern %a_ref.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_ref.var: ref %ptr.d08 = var %a_ref.var_patt [concrete]
// CHECK:STDOUT: %.loc5: type = splice_block %ptr [concrete = constants.%ptr.d08] {
// CHECK:STDOUT: %i32.loc5: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %ptr: type = ptr_type %i32.loc5 [concrete = constants.%ptr.d08]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_ref: ref %ptr.d08 = ref_binding a_ref, %a_ref.var [concrete = %a_ref.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %impl.elem0.loc4: %.1c5 = impl_witness_access constants.%ImplicitAs.impl_witness.a23, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e39]
// CHECK:STDOUT: %bound_method.loc4_1.1: <bound method> = bound_method %int_0, %impl.elem0.loc4 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT: %specific_fn.loc4: <specific function> = specific_function %impl.elem0.loc4, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc4_1.2: <bound method> = bound_method %int_0, %specific_fn.loc4 [concrete = constants.%bound_method.6e0]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc4_1.2(%int_0) [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: %.loc4: init %i32 = converted %int_0, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.3c0]
// CHECK:STDOUT: assign file.%a_orig.var, %.loc4
// CHECK:STDOUT: %a_orig.ref: ref %i32 = name_ref a_orig, file.%a_orig [concrete = file.%a_orig.var]
// CHECK:STDOUT: %addr: %ptr.d08 = addr_of %a_orig.ref [concrete = constants.%addr]
// CHECK:STDOUT: %impl.elem0.loc5: %.ac9 = impl_witness_access constants.%Copy.impl_witness.ce1, element0 [concrete = constants.%ptr.as.Copy.impl.Op.d1c]
// CHECK:STDOUT: %bound_method.loc5_19.1: <bound method> = bound_method %addr, %impl.elem0.loc5 [concrete = constants.%ptr.as.Copy.impl.Op.bound]
// CHECK:STDOUT: %specific_fn.loc5: <specific function> = specific_function %impl.elem0.loc5, @ptr.as.Copy.impl.Op(constants.%i32) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc5_19.2: <bound method> = bound_method %addr, %specific_fn.loc5 [concrete = constants.%bound_method.c35]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.d08 = call %bound_method.loc5_19.2(%addr) [concrete = constants.%addr]
// CHECK:STDOUT: assign file.%a_ref.var, %ptr.as.Copy.impl.Op.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.ff5: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.ce9: %ptr.as.Copy.impl.Op.type.ff5 = struct_value () [symbolic]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %ptr.d08: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %pattern_type.f00: type = pattern_type %ptr.d08 [concrete]
// CHECK:STDOUT: %Copy.impl_witness.101: <witness> = impl_witness imports.%Copy.impl_witness_table.90e, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.type.c1c: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.d1c: %ptr.as.Copy.impl.Op.type.c1c = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %ptr.d08, (%Copy.impl_witness.101) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.60a: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.335: type = fn_type_with_self_type %Copy.WithSelf.Op.type.60a, %Copy.facet [concrete]
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.d1c, @ptr.as.Copy.impl.Op(%i32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Implicit.a_orig = import_ref Implicit//default, a_orig, unloaded
// CHECK:STDOUT: %Implicit.a_ref: ref %ptr.d08 = import_ref Implicit//default, a_ref, loaded [concrete = %a_ref.var]
// CHECK:STDOUT: %Core.048aa3.1: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Implicit.import_ref.499: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.ff5) = import_ref Implicit//default, inst{{[0-9A-F]+}} [indirect], loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.ce9)]
// CHECK:STDOUT: %Copy.impl_witness_table.90e = impl_witness_table (%Implicit.import_ref.499), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %a_ref.patt: %pattern_type.f00 = ref_binding_pattern a_ref [concrete]
// CHECK:STDOUT: %a_ref.var_patt: %pattern_type.f00 = var_pattern %a_ref.patt [concrete]
// CHECK:STDOUT: %a_ref.var: ref %ptr.d08 = var %a_ref.var_patt [concrete]
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .a_orig = imports.%Implicit.a_orig
// CHECK:STDOUT: .a_ref = imports.%Implicit.a_ref
// CHECK:STDOUT: .Core = imports.%Core.048aa3.1
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: }
// CHECK:STDOUT: %Implicit.import = import Implicit
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.f00 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.f00 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %ptr.d08 = var %a.var_patt [concrete]
// CHECK:STDOUT: %.loc4: type = splice_block %ptr [concrete = constants.%ptr.d08] {
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %ptr: type = ptr_type %i32 [concrete = constants.%ptr.d08]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %ptr.d08 = ref_binding a, %a.var [concrete = %a.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a_ref.ref: ref %ptr.d08 = name_ref a_ref, imports.%Implicit.a_ref [concrete = imports.%a_ref.var]
// CHECK:STDOUT: %.loc4: %ptr.d08 = acquire_value %a_ref.ref
// CHECK:STDOUT: %impl.elem0: %.335 = impl_witness_access constants.%Copy.impl_witness.101, element0 [concrete = constants.%ptr.as.Copy.impl.Op.d1c]
// CHECK:STDOUT: %bound_method.loc4_15.1: <bound method> = bound_method %.loc4, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @ptr.as.Copy.impl.Op(constants.%i32) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc4_15.2: <bound method> = bound_method %.loc4, %specific_fn
// CHECK:STDOUT: %ptr.as.Copy.impl.Op.call: init %ptr.d08 = call %bound_method.loc4_15.2(%.loc4)
// CHECK:STDOUT: assign file.%a.var, %ptr.as.Copy.impl.Op.call
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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